package cn.itcast.mapper;

import cn.itcast.pojo.User;
import org.apache.ibatis.annotations.Param;

/**
 * @author: peterChen
 * @date: 2019/8/16 16:17
 * @description: TODO
 * @version: 1.0
 */
public interface UserMapper {
    public User findUserByUserName(@Param("userName") String userName);
}
